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From: Christoph Hellwig <hch@infradead.org>
To: David Sterba <dsterba@suse.com>
Cc: linux-btrfs@vger.kernel.org, vbabka@suse.cz, linux-mm@kvack.org
Subject: Re: [PATCH] btrfs: disable slab merging in debug build
Date: Thu, 13 Jul 2023 04:21:10 -0700	[thread overview]
Message-ID: <ZK/eJlk0jb1F4E2V@infradead.org> (raw)
In-Reply-To: <20230712191712.18860-1-dsterba@suse.com>

On Wed, Jul 12, 2023 at 09:17:12PM +0200, David Sterba wrote:
> The slab allocator newly allows to disable merging per-slab (since
> commit d0bf7d5759c1 ("mm/slab: introduce kmem_cache flag
> SLAB_NO_MERGE")). Set this for all caches in debug build so we can
> verify there are no leaks when module gets reloaded.

So we're having a discussion on linux-mm wether to just disbale slab
merging by default, because it really is a pain.  Maybe wait for that
to settle before adding per-subsystem hacks for what really is a slab
problem?


  parent reply	other threads:[~2023-07-13 11:21 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-12 19:17 [PATCH] btrfs: disable slab merging in debug build David Sterba
2023-07-13  7:38 ` Vlastimil Babka
2023-07-13 11:21 ` Christoph Hellwig [this message]
2023-07-13 12:03   ` David Sterba
2023-07-13 12:52     ` Vlastimil Babka

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